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High congenital esotropia a risk factor for reoperation
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In children with congenital esotropia, risk factors for potential reoperation include congenital esotropia of 30 ∆D or greater and lateral rectus muscle underaction, according to a study.
The retrospective review included 157 children with congenital esotropia. After at least one operation, patients were divided into two groups. A success group, defined as those with deviation within 10 ∆D, contained 89 patients, and a failure group, defined as those with deviation greater than 10 ∆D or a history of reoperation, contained 68 patients.
In 32.4% of children who had residual esotropia greater than 15 ∆D 3 months postoperatively, reoperation was performed. Underaction of the lateral rectus muscle and congenital esotropia greater than 30 ∆D were statistically different between the success and failure groups (P = .005 and P = .002, respectively). These were considered risk factors for reoperation.
The initial operation was more likely to result in gross stereopsis if it was performed in children younger than 3 years as opposed to children older than 3 years (P = .032).
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